chore(deps): bump com.google.appengine:appengine-api-1.0-sdk (#975)

Bumps [com.google.appengine:appengine-api-1.0-sdk](https://github.com/GoogleCloudPlatform/appengine-java-standard) from 2.0.25 to 2.0.26.
- [Release notes](https://github.com/GoogleCloudPlatform/appengine-java-standard/releases)
- [Commits](GoogleCloudPlatform/appengine-java-standard@v2.0.25...v2.0.26)

---
updated-dependencies:
- dependency-name: com.google.appengine:appengine-api-1.0-sdk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -51,7 +51,7 @@ artifacts {
 }
 
 dependencies {
-    compileOnly 'com.google.appengine:appengine-api-1.0-sdk:2.0.25'
+    compileOnly 'com.google.appengine:appengine-api-1.0-sdk:2.0.26'
     api 'com.squareup.okhttp3:okhttp:4.11.0'
     api 'com.google.code.gson:gson:2.10.1'
     api 'io.opencensus:opencensus-api:0.31.1'