Fix Typos

Fix Typos

howto/chef-vault.md:73:57: "confussion" is a misspelling of "confusion"
howto/community-project-restore.md:39:206: "throught" is a misspelling of "throughout"
howto/dev-environment.md:22:18: "ouput" is a misspelling of "output"
howto/haproxy.md:111:6: "controling" is a misspelling of "controlling"
howto/logging_gcs_archive_bigquery.md:25:23: "similiar" is a misspelling of "similar"
howto/logging_gcs_archive_bigquery.md:32:45: "apropriate" is a misspelling of "appropriate"
howto/manage-production-incidents.md:20:24: "accross" is a misspelling of "across"
howto/pg-ha.md:214:91: "availible" is a misspelling of "available"
howto/setup-oauth2-proxy-protected-application.md:100:51: "specifed" is a misspelling of "specified"
howto/subnet-allocations.md:13:61: "AVAILABE" is a misspelling of "AVAILABLE"
howto/update-gitlab-runner-on-managers.md:282:15: "gracefull" is a misspelling of "graceful"
howto/uptycs_osquery.md:86:165: "appropiate" is a misspelling of "appropriate"
rules/haproxy.yml:111:52: "accross" is a misspelling of "across"
rules/postgresqls.yml:303:56: "occured" is a misspelling of "occurred"
scripts/validate-service-mappings:38:6: "Bussiness" is a misspelling of "Business"
troubleshooting/definition-service-apdex.md:34:11: "Availablity" is a misspelling of "Availability"
troubleshooting/definition-service-availability.md:7:136: "availablity" is a misspelling of "availability"
troubleshooting/definition-service-availability.md:19:11: "Availablity" is a misspelling of "Availability"
troubleshooting/definition-service-error-rate.md:13:11: "Availablity" is a misspelling of "Availability"
troubleshooting/definition-service-ops-rate.md:16:11: "Availablity" is a misspelling of "Availability"
troubleshooting/elk_mapper_parsing_exception.md:21:57: "appropiate" is a misspelling of "appropriate"
troubleshooting/gitaly-rate-limiting.md:24:15: "targetted" is a misspelling of "targeted"
troubleshooting/postgres.md:332:0: "accomodated" is a misspelling of "accommodated"
troubleshooting/prometheus-slow-rule-eval.md:23:44: "smaples" is a misspelling of "samples"
troubleshooting/sidekiq_exception_count.md:14:7: "thier" is a misspelling of "their"
troubleshooting/sidekiq_exception_count.md:26:67: "successfullly" is a misspelling of "successfully"
troubleshooting/workhorse-git-session-alerts.md:20:15: "targetted" is a misspelling of "targeted"