Bump appsignal from 4.5.2 to 4.5.3

Bumps [appsignal](https://github.com/appsignal/appsignal-ruby) from 4.5.2 to 4.5.3.
- [Changelog](https://github.com/appsignal/appsignal-ruby/blob/main/CHANGELOG.md)
- [Commits](appsignal/appsignal-ruby@v4.5.2...v4.5.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -77,9 +77,9 @@ GEM
     after_commit_action (1.1.0)
       activerecord (>= 3.0.0)
       activesupport (>= 3.0.0)
-    appsignal (4.5.2)
+    appsignal (4.5.3)
       logger
-      rack
+      rack (>= 2.0.0)
     autoprefixer-rails (10.4.19.0)
       execjs (~> 2)
     base64 (0.2.0)
@@ -438,7 +438,7 @@ CHECKSUMS
   activesupport (8.0.1) sha256=fd5bc74641c24ac3541055c2879789198ff42adee3e39c2933289ba008912e37
   addressable (2.8.7) sha256=462986537cf3735ab5f3c0f557f14155d778f4b43ea4f485a9deb9c8f7c58232
   after_commit_action (1.1.0) sha256=28a4730735a042127ddee9246334a087fbbe1c20f28791509ddbdc8723017238
-  appsignal (4.5.2) sha256=956d1a4b35675c0ede7e473725bcb9c54eeac1cd43758e692c3376b1601557a7
+  appsignal (4.5.3) sha256=ad0382f73c48c17cfd8604ccc3b56e0e69c9c68aafe560356b1c550efde22487
   autoprefixer-rails (10.4.19.0) sha256=ccd21f47e5a07a581c7d239025e0d8d06a005825e96e06f72382d818fe665f4e
   base64 (0.2.0) sha256=0f25e9b21a02a0cc0cea8ef92b2041035d39350946e8789c562b2d1a3da01507
   benchmark (0.4.0) sha256=0f12f8c495545e3710c3e4f0480f63f06b4c842cc94cec7f33a956f5180e874a