docs: spelling correction for "targetting" (#404)

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Synth log will be available here:
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Source-Link: googleapis/synthtool@15013ef

README.md

@@ -112,7 +112,7 @@ Our client libraries follow the [Node.js release schedule](https://nodejs.org/en
 Libraries are compatible with all current _active_ and _maintenance_ versions of
 Node.js.
 
-Client libraries targetting some end-of-life versions of Node.js are available, and
+Client libraries targeting some end-of-life versions of Node.js are available, and
 can be installed via npm [dist-tags](https://docs.npmjs.com/cli/dist-tag).
 The dist-tags follow the naming convention `legacy-(version)`.
 

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-cloud-container.git",
-        "sha": "f72f1210f63e1fd9b3dd02e0791b1d024d1cbe07"
+        "sha": "40f207e3e1ae02f63b9b34c9e957c0caae89c7fb"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "d5fc0bcf9ea9789c5b0e3154a9e3b29e5cea6116"
+        "sha": "15013eff642a7e7e855aed5a29e6e83c39beba2a"
       }
     }
   ],
@@ -33,76 +33,5 @@
         "generator": "bazel"
       }
     }
-  ],
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-    ".github/ISSUE_TEMPLATE/support_request.md",
-    ".github/PULL_REQUEST_TEMPLATE.md",
-    ".github/release-please.yml",
-    ".github/workflows/ci.yaml",
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 }