docs: fix typos and grammar errors across documentation

Signed-off-by: chanchalkhatri19 <chanchal.khatri01@infosys.com>

docs/integrations/azure-blobStorage/discovery.md

@@ -61,7 +61,7 @@ the Azure catalog plugin:
 yarn --cwd packages/backend add @backstage/plugin-catalog-backend-module-azure
 ```
 
-Then updated your backend by adding the following line:
+Then update your backend by adding the following line:
 
 ```ts title="packages/backend/src/index.ts"
 backend.add(import('@backstage/plugin-catalog-backend'));

docs/integrations/azure/discovery.md

@@ -97,7 +97,7 @@ the Azure catalog plugin:
 yarn --cwd packages/backend add @backstage/plugin-catalog-backend-module-azure
 ```
 
-Then updated your backend by adding the following line:
+Then update your backend by adding the following line:
 
 ```ts title="packages/backend/src/index.ts"
 backend.add(import('@backstage/plugin-catalog-backend'));

docs/integrations/azure/org.md

@@ -41,7 +41,7 @@ catalog:
 For large organizations, this plugin can take a long time, so be careful setting low frequency / timeouts and importing a large amount of users / groups for the first try.
 :::
 
-Finally, updated your backend by adding the following line:
+Finally, update your backend by adding the following line:
 
 ```ts title="packages/backend/src/index.ts"
 backend.add(import('@backstage/plugin-catalog-backend'));

docs/integrations/ldap/org.md

@@ -40,7 +40,7 @@ catalog:
           timeout: PT15M
 ```
 
-Finally, updated your backend by adding the following line:
+Finally, update your backend by adding the following line:
 
 ```ts title="packages/backend/src/index.ts"
 backend.add(import('@backstage/plugin-catalog-backend'));