Bump fastimage from 2.2.6 to 2.2.7 (#25111)

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

Gemfile.lock

@@ -269,7 +269,7 @@ GEM
     faraday-rack (1.0.0)
     faraday-retry (1.0.3)
     fast_blank (1.0.1)
-    fastimage (2.2.6)
+    fastimage (2.2.7)
     ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)