Bump aws/aws-sdk-php from 3.99.2 to 3.100.4

Bumps [aws/aws-sdk-php](https://github.com/aws/aws-sdk-php) from 3.99.2 to 3.100.4.
- [Release notes](https://github.com/aws/aws-sdk-php/releases)
- [Changelog](https://github.com/aws/aws-sdk-php/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-php/compare/3.99.2...3.100.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

composer.lock

@@ -358,16 +358,16 @@
         },
         {
             "name": "aws/aws-sdk-php",
-            "version": "3.99.2",
+            "version": "3.100.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "c3c2877ac7d17125631106c1ee3532e9bf33df53"
+                "reference": "803f3cdc37f42112c4df1af0a77e25130b9448d3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/c3c2877ac7d17125631106c1ee3532e9bf33df53",
-                "reference": "c3c2877ac7d17125631106c1ee3532e9bf33df53",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/803f3cdc37f42112c4df1af0a77e25130b9448d3",
+                "reference": "803f3cdc37f42112c4df1af0a77e25130b9448d3",
                 "shasum": ""
             },
             "require": {
@@ -437,7 +437,7 @@
                 "s3",
                 "sdk"
             ],
-            "time": "2019-06-05T18:07:37+00:00"
+            "time": "2019-06-14T18:12:13+00:00"
         },
         {
             "name": "bacon/bacon-qr-code",