Bump diesel from 2.1.6 to 2.2.0 in /examples (#383)

Bumps [diesel](https://github.com/diesel-rs/diesel) from 2.1.6 to 2.2.0.
- [Release notes](https://github.com/diesel-rs/diesel/releases)
- [Changelog](https://github.com/diesel-rs/diesel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/diesel-rs/diesel/compare/v2.1.6...v2.2.0)

---
updated-dependencies:
- dependency-name: diesel
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/Cargo.lock

@@ -844,6 +844,41 @@ dependencies = [
  "cipher",
 ]
 
+[[package]]
+name = "darling"
+version = "0.20.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83b2eb4d90d12bdda5ed17de686c2acb4c57914f8f921b8da7e112b5a36f3fe1"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.20.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "622687fe0bac72a04e5599029151f5796111b90f1baaa9b544d807a5e31cd120"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 2.0.66",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.20.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "733cabb43482b1a1b53eee8583c2b9e8684d592215ea83efd305dd31bc2f0178"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 2.0.66",
+]
+
 [[package]]
 name = "databases"
 version = "1.0.0"
@@ -878,9 +913,9 @@ dependencies = [
 
 [[package]]
 name = "diesel"
-version = "2.1.6"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff236accb9a5069572099f0b350a92e9560e8e63a9b8d546162f4a5e03026bb2"
+checksum = "35b696af9ff4c0d2a507db2c5faafa8aa0205e297e5f11e203a24226d5355e7a"
 dependencies = [
  "diesel_derives",
  "libsqlite3-sys",
@@ -890,11 +925,12 @@ dependencies = [
 
 [[package]]
 name = "diesel_derives"
-version = "2.1.4"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14701062d6bed917b5c7103bdffaee1e4609279e240488ad24e7bd979ca6866c"
+checksum = "0d6fdd83d5947068817016e939596d246e5367279453f2a3433287894f2f2996"
 dependencies = [
  "diesel_table_macro_syntax",
+ "dsl_auto_type",
  "proc-macro2",
  "quote",
  "syn 2.0.66",
@@ -902,9 +938,9 @@ dependencies = [
 
 [[package]]
 name = "diesel_table_macro_syntax"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc5557efc453706fed5e4fa85006fe9817c224c3f480a34c7e5959fd700921c5"
+checksum = "209c735641a413bc68c4923a9d6ad4bcb3ca306b794edaa7eb0b3228a99ffb25"
 dependencies = [
  "syn 2.0.66",
 ]
@@ -920,6 +956,20 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "dsl_auto_type"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab32c18ea6760d951659768a3e35ea72fc1ba0916d665a88dfe048b2a41e543f"
+dependencies = [
+ "darling",
+ "either 1.12.0",
+ "heck 0.5.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
+]
+
 [[package]]
 name = "easy-form-handling"
 version = "1.0.0"
@@ -1211,6 +1261,12 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
@@ -1349,6 +1405,12 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
 [[package]]
 name = "idna"
 version = "0.5.0"
@@ -2432,6 +2494,12 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a8348af2d9fc3258c8733b8d9d8db2e56f54b2363a4b5b81585c7875ed65e65"
 
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
 [[package]]
 name = "strum"
 version = "0.24.1"
@@ -2453,7 +2521,7 @@ version = "0.24.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e385be0d24f186b4ce2f9982191e7101bb737312ad61c1f2f984f34bcf85d59"
 dependencies = [
- "heck",
+ "heck 0.4.1",
  "proc-macro2",
  "quote",
  "rustversion",
@@ -2466,7 +2534,7 @@ version = "0.26.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6cf59daf282c0a494ba14fd21610a0325f9f90ec9d1231dea26bcb1d696c946"
 dependencies = [
- "heck",
+ "heck 0.4.1",
  "proc-macro2",
  "quote",
  "rustversion",