ci: add typo detection (#3327)

And fix them.

coderd/audit/generate.sh

@@ -2,7 +2,7 @@
 
 # This script facilitates code generation for auditing types. It outputs code
 # that can be copied and pasted into the audit.AuditableResources table. By
-# default, every field is ignored. It is your responsiblity to go through each
+# default, every field is ignored. It is your responsibility to go through each
 # field and document why each field should or should not be audited.
 #
 # Usage:

coderd/rbac/policy.rego

@@ -105,7 +105,7 @@ org = set {
 
 # The allow block is quite simple. Any set with `false` cascades down in levels.
 # Authorization looks for any `allow` statement that is true. Multiple can be true!
-# Note that the absense of `allow` means "unauthorized".
+# Note that the absence of `allow` means "unauthorized".
 # An explicit `"allow": true` is required.
 
 # site allow