Add new committers to Announcement and Committers page (#389)

* Add new committers to Announcement and Committers page

https://github.com/apache/airflow/pull/14544/

* fixup! Add new committers to Announcement and Committers page
diff --git a/landing-pages/site/content/en/announcements/_index.md b/landing-pages/site/content/en/announcements/_index.md
index aebb3ec..cc88799 100644
--- a/landing-pages/site/content/en/announcements/_index.md
+++ b/landing-pages/site/content/en/announcements/_index.md
@@ -14,6 +14,14 @@
 **Note:** Follow [@ApacheAirflow](https://twitter.com/ApacheAirflow) on Twitter for the latest news and announcements!
 
 
+# March 1, 2021
+
+Airflow PMC welcomes 3 new committers:
+
+- **James Timmins** ([@James Timmins](https://github.com/jhtimmins))
+- **Elad Kalif** ([@eladkal](https://github.com/eladkal))
+- **Daniel Standish** ([@dstandish](https://github.com/dstandish))
+
 # February 23, 2021
 
 Airflow PMC welcomes **Ephraim Anierobi** ([@ephraimbuddy](https://github.com/ephraimbuddy)) as the newest Airflow committer.
diff --git a/landing-pages/site/data/committers.json b/landing-pages/site/data/committers.json
index ea3f7a0..30ad640 100644
--- a/landing-pages/site/data/committers.json
+++ b/landing-pages/site/data/committers.json
@@ -12,12 +12,36 @@
     "nick": "milton0825"
   },
   {
+    "name": "Daniel Standish",
+    "github": "https://github.com/dstandish",
+    "image": "https://github.com/dstandish.png",
+    "nick": "dstandish"
+  },
+  {
+    "name": "Elad Kalif",
+    "github": "https://github.com/eladkal",
+    "image": "https://github.com/eladkal.png",
+    "nick": "eladkal"
+  },
+  {
+    "name": "Ephraim Anierobi",
+    "github": "https://github.com/ephraimbuddy",
+    "image": "https://github.com/ephraimbuddy.png",
+    "nick": "ephraimbuddy"
+  },
+  {
     "name": "Felix Uellendall",
     "github": "https://github.com/feluelle",
     "image": "https://github.com/feluelle.png",
     "nick": "feluelle"
   },
   {
+    "name": "James Timmins",
+    "github": "https://github.com/jhtimmins",
+    "image": "https://github.com/jhtimmins.png",
+    "nick": "jhtimmins"
+  },
+  {
     "name": "Joshua Carp",
     "github": "https://github.com/jmcarp",
     "image": "https://github.com/jmcarp.png",