docs: misc typo fixes in various places

Fixed following spelling mistakes -

* upsteam -> upstream
* Caspule -> Capsule
* suceed -> succeed
* unsed -> unused

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

docs/content/contributing/development.md

@@ -104,7 +104,7 @@ Do remember to change the `myuser` to yours.
 $ git clone git@github.com:myuser/capsule.git && cd capsule
 ```
 
-It's a good practice to add the upsteam as the remote too so we can easily fetch and merge the upstream to our fork:
+It's a good practice to add the upstream as the remote too so we can easily fetch and merge the upstream to our fork:
 
 ```shell
 $ git remote add upstream https://github.com/clastix/capsule.git

docs/content/general/proxy.md

@@ -42,7 +42,7 @@ All other requests are proxied transparently to the APIs server, so no side effe
 
 ## Installation
 
-Capsule Proxy is an optional add-on of the main Capsule Operator, so make sure you have a working instance of Caspule before attempting to install it.
+Capsule Proxy is an optional add-on of the main Capsule Operator, so make sure you have a working instance of Capsule before attempting to install it.
 Use the `capsule-proxy` only if you want Tenant Owners to list their own Cluster-Scope resources.
 
 The `capsule-proxy` can be deployed in standalone mode, e.g. running as a pod bridging any Kubernetes client to the APIs server.

e2e/forbidden_annotations_regex_test.go

@@ -68,7 +68,7 @@ var _ = Describe("creating a tenant with various forbidden regexes", func() {
 	}
 	for _, annotation := range annotationsToCheck {
 		for _, annotationValue := range successRegexes {
-			It("should suceed using a valid regex on the annotation "+annotation, func() {
+			It("should succeed using a valid regex on the annotation "+annotation, func() {
 				EventuallyCreation(func() error {
 					tnt.ResourceVersion = ""
 					tnt.ObjectMeta.Annotations = make(map[string]string)

hack/velero-restore.sh

@@ -7,7 +7,7 @@
 # let script exit if a command fails
 #set -o errexit
 
-# let script exit if an unsed variable is used
+# let script exit if an unused variable is used
 #set -o nounset
 
 KUBECFGFILE="$HOME/.kube/config"