[fix-typos] Fix typos

Author: Apiary

CONTRIBUTING.md

@@ -8,5 +8,5 @@
 2. `dotnet nbgv tag`
 3. `git push origin {tag name}`
 4. Navigate to GitHub releases page and create release from tag
-5. (If desired) increment version (major or minor) in `//version.json > version`
+5. (If desired) increment version (major or minor) in `version.json > version`
 6. `git add . && git commit -m 'Bumping version' && git push`

src/Common/Sarif/README.md

@@ -1,5 +1,5 @@
 SquiggleCop originally used the SARIF SDK (and ideally will again). However, the improvements of moving from
-`Newtonosft.Json` to `System.Text.Json` were too big to ignore. As a result, this directory contains a hand-rolled
+`Newtonsoft.Json` to `System.Text.Json` were too big to ignore. As a result, this directory contains a hand-rolled
 object model for SARIF files that contains only the members SquiggleCop needs (and ignores unmapped properties).
 
 https://github.com/microsoft/sarif-sdk/issues/1989 tracks migrating to STJ, at which point SquiggleCop should switch