DOCSP-30811 Update Minimum Supported Version (#511)

Author: ajhuh-mdb

source/install.txt

@@ -22,7 +22,7 @@ Select your operating system:
          |compass-short| requires:
 
          - 64-bit version of macOS 10.12 or later.
-         - MongoDB 3.6 or later.
+         - MongoDB 4.2 or later.
 
          |compass-short| supports x64 and ARM64 architectures.
 
@@ -37,7 +37,7 @@ Select your operating system:
          |compass-short| requires:
 
          - 64-bit version of Microsoft Windows 7 or later.
-         - MongoDB 3.6 or later.
+         - MongoDB 4.2 or later.
          - `Microsoft .NET Framework version 4.5 or later <https://www.microsoft.com/en-us/download/details.aspx?id=30653>`__.
 
            The |compass-short| installer prompts you to install the
@@ -72,7 +72,7 @@ Select your operating system:
                |compass-short| requires:
 
                - 64-bit version of Ubuntu 14.04 or later.
-               - MongoDB 3.6 or later.
+               - MongoDB 4.2 or later.
 
             .. tab:: .rpm
                :tabid: rhel
@@ -83,7 +83,7 @@ Select your operating system:
                |compass-short| requires:
 
                - 64-bit version of RHEL 7+ or later.
-               - MongoDB 3.6 or later.
+               - MongoDB 4.2 or later.
 
 .. tabs-platforms::
    :hidden: