docs: spelling correction for "targetting"

Co-authored-by: Benjamin E. Coe <bencoe@google.com>

Source-Author: Samyak Jain <jainsamyak330@gmail.com>
Source-Date: Tue Nov 24 20:27:51 2020 +0530
Source-Repo: googleapis/synthtool
Source-Sha: 15013eff642a7e7e855aed5a29e6e83c39beba2a
Source-Link: googleapis/synthtool@15013ef

README.md

@@ -173,7 +173,7 @@ 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-pubsub.git",
-        "sha": "3b1e99ebde72653a1fa0317820d1218e1c04eb8f"
+        "sha": "9bc8241fcf1f063c71a4ff2a97ecae60c9ae405c"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "1f1148d3c7a7a52f0c98077f976bd9b3c948ee2b"
+        "sha": "15013eff642a7e7e855aed5a29e6e83c39beba2a"
       }
     }
   ],