build(deps): bump syn from 2.0.104 to 2.0.106

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.104 to 2.0.106.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/2.0.104...2.0.106)

---
updated-dependencies:
- dependency-name: syn
  dependency-version: 2.0.106
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

CHANGELOG.md

@@ -64,7 +64,6 @@
 - Updated Catppuccin, see #3333 (@SchweGELBin)
 - Updated gruvbox, see #3372 (@Nicholas42)
 - Updated GitHub theme, see #3382 (@CosmicHorrorDev)
-- Updated ANSI theme to highlight JSON object keys differently from values, see #3413 (@keith-hall)
 
 ## `bat` as a library
 

Cargo.lock

@@ -1549,9 +1549,9 @@ checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "syn"
-version = "2.0.104"
+version = "2.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
+checksum = "ede7c438028d4436d71104916910f5bb611972c5cfd7f89b8300a8186e6fada6"
 dependencies = [
  "proc-macro2",
  "quote",

Cargo.toml

@@ -119,7 +119,7 @@ regex = "1.10.6"
 serde = "1.0"
 serde_derive = "1.0"
 serde_with = { version = "3.12.0", default-features = false, features = ["macros"] }
-syn = { version = "2.0.104", features = ["full"] }
+syn = { version = "2.0.106", features = ["full"] }
 toml = { version = "0.9.1", features = ["preserve_order"] }
 walkdir = "2.5"
 

assets/themes/ansi.tmTheme

@@ -234,7 +234,7 @@
                 <key>name</key>
                 <string>Headings</string>
                 <key>scope</key>
-                <string>markup.heading punctuation.definition.heading, entity.name.section, markup.heading - text.html.markdown, meta.mapping.key string.quoted.double</string>
+                <string>markup.heading punctuation.definition.heading, entity.name.section, markup.heading - text.html.markdown</string>
                 <key>settings</key>
                 <dict>
                     <key>fontStyle</key>